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Finding the Fourth Proportional to 351,085.64, 526,767.88 and 114,430.37

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Solution

The fourth proportional to 351,085.64, 526,767.88 and 114,430.37 is: 171,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,085.64 : 526,767.88 = 114,430.37 : x
  2. Step 2: Convert to fraction form
    351,085.64/526,767.88 = 114,430.37/x
  3. Step 3: Cross multiply
    351,085.64x = 526,767.88 × 114,430.37
  4. Step 4: Simplify right side
    351,085.64x = 60,278,243,412.52
  5. Step 5: Solve for x
    x = 60,278,243,412.52/351,085.64
  6. Step 6: Final answer
    x = 171,691.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.